Question:

What are those small holes located under roofs?

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They are usually in rows, and they have netting covering them. Just under the shingles. Sometimes they come in triangle formations.

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  1. vents...

    to let the moisture out... as hot air goes out the top of the roof... cooler drier air comes in there... so it don't mold and get too hot in the attic


  2. Venting - you need air flow or you would have mold, humidity issues.
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